Answer:
c.0
Explanation:
Given, that apart from woman's paternal uncle and man's brother there are no more haemophilia cases and carriers in pedigree. This means that the woman's parents are not carrying the haemophilia allele and hence she will be non haemophiliac and non carrier. The man's parents are also not carrying the allele hence he will be non haemophiliac. Both man and woman are not carrying any allele for haemophilia so when they have children the probability of having haemophiliac children will be 0.
Hence, the probability of their first child having haemophilia will be 0.
Answer:
A
Explanation:
Soils rich in humus improve plant growth. Earthworms breakdown organic matter to form humus. From the data, it can be seen that plant growth is high in soil that has humus.
<span>a nematode, especially a parasitic one found in the intestines of mammals.</span>
The answer is A
Using energy